class Calculator1 {

	public Calculator1() {
	
		System.out.println("2 + 2 == " + add(2,2));
	
	}
	
	public int add (int a, int b) {
	
		return a + b;
	
	}


	public static void main (String args[]) {
	
		new Calculator1();
		
	}
	
}